Home / 161,698,415.20-242,547,622.80-46,686,709.60

Finding the Fourth Proportional to 161,698,415.20, 242,547,622.80 and 46,686,709.60

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Solution

The fourth proportional to 161,698,415.20, 242,547,622.80 and 46,686,709.60 is: 70,030,064.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,698,415.20 : 242,547,622.80 = 46,686,709.60 : x
  2. Step 2: Convert to fraction form
    161,698,415.20/242,547,622.80 = 46,686,709.60/x
  3. Step 3: Cross multiply
    161,698,415.20x = 242,547,622.80 × 46,686,709.60
  4. Step 4: Simplify right side
    161,698,415.20x = 11,323,750,429,833,940
  5. Step 5: Solve for x
    x = 11,323,750,429,833,940/161,698,415.20
  6. Step 6: Final answer
    x = 70,030,064.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.