Home / 211,205,533.56-291,477,105.90-118,386,065.40

Finding the Fourth Proportional to 211,205,533.56, 291,477,105.90 and 118,386,065.40

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Solution

The fourth proportional to 211,205,533.56, 291,477,105.90 and 118,386,065.40 is: 163,380,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,205,533.56 : 291,477,105.90 = 118,386,065.40 : x
  2. Step 2: Convert to fraction form
    211,205,533.56/291,477,105.90 = 118,386,065.40/x
  3. Step 3: Cross multiply
    211,205,533.56x = 291,477,105.90 × 118,386,065.40
  4. Step 4: Simplify right side
    211,205,533.56x = 34,506,827,721,680,124
  5. Step 5: Solve for x
    x = 34,506,827,721,680,124/211,205,533.56
  6. Step 6: Final answer
    x = 163,380,320.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.