Home / 70,709,547.19-97,587,669.88-42,831,439.42

Finding the Fourth Proportional to 70,709,547.19, 97,587,669.88 and 42,831,439.42

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Solution

The fourth proportional to 70,709,547.19, 97,587,669.88 and 42,831,439.42 is: 59,112,531.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,709,547.19 : 97,587,669.88 = 42,831,439.42 : x
  2. Step 2: Convert to fraction form
    70,709,547.19/97,587,669.88 = 42,831,439.42/x
  3. Step 3: Cross multiply
    70,709,547.19x = 97,587,669.88 × 42,831,439.42
  4. Step 4: Simplify right side
    70,709,547.19x = 4,179,820,370,604,178.50
  5. Step 5: Solve for x
    x = 4,179,820,370,604,178.50/70,709,547.19
  6. Step 6: Final answer
    x = 59,112,531.99

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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.