Home / 85,636,530.95-118,178,526.74-46,478,307.69

Finding the Fourth Proportional to 85,636,530.95, 118,178,526.74 and 46,478,307.69

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Solution

The fourth proportional to 85,636,530.95, 118,178,526.74 and 46,478,307.69 is: 64,140,126.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,636,530.95 : 118,178,526.74 = 46,478,307.69 : x
  2. Step 2: Convert to fraction form
    85,636,530.95/118,178,526.74 = 46,478,307.69/x
  3. Step 3: Cross multiply
    85,636,530.95x = 118,178,526.74 × 46,478,307.69
  4. Step 4: Simplify right side
    85,636,530.95x = 5,492,737,927,940,221
  5. Step 5: Solve for x
    x = 5,492,737,927,940,221/85,636,530.95
  6. Step 6: Final answer
    x = 64,140,126.50

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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.